Beef Tenderloin with Marsala with broth

4 tablespoons butter 2 large garlic cloves , sliced 1 large shallot , sliced 1 1/4 cups beef broth 1 cup ruby port 1/4 cup dried cranberries four 5 to 6 oz[...]

1 (3 lb) beef tenderloin 1 tablespoon onion , minced 3 tablespoons butter 2 cups mushrooms , sliced 2 tablespoons all-purpose flour 1 cup beef broth 2[...]